Артикул: RX7592
4/3 high-response directional valve, direct operated, with integrated control electronics (OBE) 4WRSE
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Description
- Size 6, 10
- Component series 3X
- Maximum operating pressure 315 bar
- Maximum flow 180 l/min
- Nominal flow 4 … 75 l/min
Features
- Direct operated high-response directional valve with integrated control electronics (OBE) for the control of flow direction and size
- Suitable for position and velocity control
- Operation by means of control solenoids
- Electrical position feedback
- High response sensitivity and low hysteresis
- Integrated electronics (OBE)
- For subplate mounting: Porting pattern according to DIN 24340 form A and ISO 4401
Product description
The 4/3 directional control valves are designed as direct operated devices in plate design. Operation is effected by means of control solenoids. The solenoids are controlled via integrated control electronics (OBE).
Set-up:
The valve basically consists of:
- Housing (1) with connection surface
- Control spool (2) with compression springs (3 and 4)
- Solenoids (5 and 6)
- Position transducer (7)
- integrated control electronics (OBE) (8)
- Zero point adjustment accessible via Pg9 cover (9)
- With de-energized solenoids (5 and 6), central position of the control spool (2) by compression springs (3 and 4)
- Direct operation of the control spool (2) by energization of a control solenoid
- Displacement of the control spool (2) to the left, proportionally to the electric input signal
- Connection from P → A and B → T via orifice-type cross-sections with linear flow characteristics
- Switching off the solenoid (6)
Functional description:
e.g. control solenoid "b" (6)
The compression spring (3) brings the control spool (2) back into the central position
In the de-energized condition, the control spool (2) is held in a mechanical central position by the return springs of the solenoids. With control spool symbols “V” and “Q”, this position does not correspond to the hydraulic central position! When the electric valve control loop is closed, the control spool (2) is positioned in the hydraulic central position.
4WRSE 10
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | |||
| 4WRS | E | ‒ | 3X | / | G24 | K0 | / | V | * |
| 01 | High-response directional valve | 4WRS |
| 02 | With integrated control electronics | E |
| 03 | Without sleeve | no code |
| 04 | Size 6 | 6 |
| Size 10 | 10 | |
| 05 | Symbols; for the possible version, see "Symbols/Circuit diagrams" | V, V1-, Q2- |
| Installation side of the inductive position transducer | ||
| 06 |  | no code |
 | C | |
| Rated flow at 10 bar valve pressure differential | ||
| 07 | Size 6 | |
| 4l/min | 04 1) | |
| 10 l/min | 10 | |
| 20 l/min | 20 | |
| 35 l/min | 35 | |
| Size 10 | ||
| 25 l/min | 25 | |
| 50l/min | 50 | |
| 75 l/min | 80 | |
| 08 | Component series 30 ... 39 (30 ... 39: unchanged installation and connection dimensions) | 3X |
| Supply voltage of the control electronics | ||
| 09 | Direct voltage 24 V | G24 |
| Electrical connection | ||
| 10 | Without mating connector, connector according to DIN EN 175201-804 | K0 |
| Electrical interface | ||
| 11 | Command value input ±10 VDC | A1 |
| Command value input 4 ... 20 mA | F1 | |
| Seal material | ||
| 12 | FKM seals Suitable for mineral oils (HL, HLP) according to DIN 51524 and phosphoric acid ester (HFD-R) | V |
| 13 | Further details in the plain text | * |
| 1) | Only for symbol V | |
Technical data
general
| Type | 4WRSE | ||
| Size | 6 | 10 | |
| Component series | 3X | ||
| Installation position | any, preferably horizontal | ||
| Weight | kg | 3 | 7.3 |
| Storage temperature range | °C | -20 … +80 | |
| Ambient temperature range | °C | -20 … +50 | |
hydraulic
| Type | 4WRSE | |||
| Size | 6 | 10 | ||
| Maximum operating pressure | bar | 315 | ||
| Maximum operating pressure | Port P | bar | 315 | |
| Anschluss A | bar | 315 | ||
| Port B | bar | 315 | ||
| Port T | bar | 315 | ||
| Maximum flow | l/min | 80 | 180 | |
| Nominal flow 1) | l/min | 4 10 20 35 | 25 50 75 | |
| Hydraulic fluid temperature range | °C | -20 … +80 | ||
| Viscosity range | Maximum admissible | mm²/s | 20 … 380 | |
| Recommended | mm²/s | 30 … 46 | ||
| Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2) | Class 18/16/13 according to ISO 4406 (c) | |||
| Hysteresis | % | ≤ 0.05 | ||
| Response sensitivity | % | ≤ 0.03 | ||
| Range of inversion | % | ≤ 0.03 | ||
| 1) | ±10% with Δp = 10 bar, Δp = valve pressure differential |
| 2) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
| Hydraulic fluid | Classification | Suitable sealing materials | Standards |
| Mineral oils and related hydrocarbons | HL, HLP | NBR / FKM | DIN 51524 |
| Phosphoric acid esters | HFD-R | FKM | |
| Important information on hydraulic fluids: For more information and data on the use of other hydraulic fluids please contact us. | |||
electrical
| Type | 4WRSE | |||
| Size | 6 | 10 | ||
| Power supply | Nominal voltage | VDC | 24 | |
| Lower limit value | VDC | 19.4 | ||
| Upper limit value | VDC | 35 | ||
| Maximum solenoid current | mA | 2 | ||
| Maximum coil temperature 1) | °C | 150 | ||
| Duty cycle | % | 100 | ||
| Current consumption | Imax | A | 2 | 2.8 |
| Impulse load | A | 4 | ||
| Protection class according to DIN EN 60529 | IP65 (If a suitable and a correctly mounted mating connector are used.) | |||
| 1) | Due to the surface temperatures occurring at the solenoid coils, the European standards ISO 13732-1 and EN 982 need to be adhered to. |
Diagrams/characteristic curves
(measured with HLP46, ϑÖl = 40 ±5 °C)
Pressure-signal characteristic curve (symbol V; measured with ps = 100 bar)
NG6
Zero flow with central control spool position “V35”
NG6
Flow; control spool V, V1
NG6
Flow; control spool Q2
NG6
Transition function with stepped electric input signals
NG6
Frequency response
NG6
Flow/load function with maximum valve opening (tolerance ±10 %)
NG6
Pressure-signal characteristic curve (symbol V; measured with ps = 100 bar)
Size 10
Zero flow with central control spool position “V80”
Size 10
Flow; control spool V, V1
Size 10
Flow; control spool Q2
Size 10
Transition function with stepped electric input signals
Size 10
Frequency response
Size 10
Flow/load function with maximum valve opening (tolerance ±10 %)
Size 10
Symbols/Circuit diagrams
Symbols
| Symbol V1- | |
| P → A: qv P → B: qv/2 | B → T: qv/2 A → T: qv |
| Symbol Q2- | |
| P → A: qv P → B: qv/3 | B → T: qv A → T: qv |
| Notice:With control spools V and V1-, there is an overlap of -1.0 ... +1.0 % | |
Type 4WRSE..V (standard)
Type 4WRSE..VC
Type 4WRSE..Q2 (standard)
Type 4WRSE..Q2C
Electrical connection
| Pin assignment | Contact | Assignment interface "A1" | Assignment interface "F1" |
| Power supply | A | 24 VDC (19,4 ... 35 VDC), Imax = 2 A (NG6), Imax = 2.8 A (NG10), impulse load: 4 A | |
| B | 0 V | ||
| Reference potential actual value | C | Reference potential for contact F; | Reference potential for contact F |
| Differential amplifier input (command value) | D | ±10 V command value; Re > 50 kΩ | 4 ...20 mA command value; Re > 100 Ω |
| E | Reference potential for contact D | ||
| Measuring output (actual value) | F | ± 10 V; Imax = 2 mA | 4 ... 20 mA; load resistance maximum 500 Ω |
| PE | connected to cooling element and valve housing | ||
Command value:
Positive command value (0...10 V or 12...20 mA) at D and reference potential at E result in flow from P → A and B → T.
Negative command value (0...-10 V or 12...4 mA) at D and reference potential at E result in flow from P → B and A → T.
Actual value:
Positive signal (0...10 V or 12...20 mA) at F and reference potential at C result in flow from P → A.
Connection line:
Recommendation:
- up to 25 m line length: Type LiYCY 7 x 0.75 mm²
- up to 50 m line length: Type LiYCY 7 x 1.0 mm²
External diameter 6.5 … 11 mm and/or 8 ... 13.5 mm
Connect shield to ⊥ only on the supply side.
Block diagram / pin assignment
Interface A1
Block diagram / pin assignment
Interface F1
Notice:
Electrical signals provided via control electronics (e. g. actual value) must not be used to switch off safety-relevant machine functions. (See also the European standard "Safety requirements for fluid-powered systems and their components - Hydraulics", EN 982!)
Dimensions
| 1 | Valve housing |
| 2.1 | Control solenoid "a" with inductive position transducer |
| 2.2 | Control solenoid “b” |
| 3.1 | Control solenoid "b" with inductive position transducer |
| 3.2 | Control solenoid “a” |
| 4 | Mating connector according to DIN EN 175201-804, separate order |
| 5 | Space required to remove the mating connector |
| 6 | Additional space required for bending radius of the connection line |
| 7 | Name plate |
| 8 | Identical seal rings for ports A, B, P, and T |
| 9 | Machined valve contact surface; Porting pattern according to DIN 24340-A6 and ISO 4401-03-02-0-05 |
Recommended valve mounting screws (separate order):
- 4 hexagon socket head cap screws ISO 4762 - M5 x 30 - 10.9-flZn-240h-L
- (Friction coefficient total = 0.09 ... 0.14)
Tightening torque MA = 7 Nm ± 10 % , material no. R913000316
| 1 | Valve housing |
| 2.1 | Control solenoid "a" with inductive position transducer |
| 2.2 | Control solenoid “b” |
| 3.1 | Control solenoid "b" with inductive position transducer |
| 3.2 | Control solenoid “a” |
| 4 | Mating connector according to DIN EN 175201-804, separate order |
| 5 | Space required to remove the mating connector |
| 6 | Additional space required for bending radius of the connection line |
| 7 | Name plate |
| 8 | Identical seal rings for ports A, B, P, and T |
| 9 | Machined valve contact surface; Porting pattern according to DIN 24340-A10 and ISO 4401-05-05-0-05 |
Recommended valve mounting screws (separate order):
- 4 hexagon socket head cap screws ISO 4762 - M6 x 40 - 10.9-flZn-240h-L
- (Friction coefficient total = 0.09 ... 0.14)
Tightening torque MA = 12.5 Nm ± 10 %, material no. R913000058
Accessories
Mating connectors for valves with round connector, 6-pole + PE
7P Z31
Mating connectors for valves with round connector, 6-pole + PE
7P Z31
- For valves with round connector according to EN 175201-804, 6-pole + PE as well as 6-pole, compatible with VG 95328
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